2d array as argument in c
Code examples
dynamic 2d arr in c
#include <stdio.h>
#include <stdlib.h>
int main(void){
int i, j, col = 3, row = 4;
/* create dynamic 2d arr (matrix) */
int **m = (int**)malloc(col * sizeof(int));
for(int i = 0; i < col ; i++){
m[i] = (int*)malloc(row * sizeof(int));
}
/* after usage free it */
for (int i = 0; i < row; i++){
free(m[i]);
}
free(m);
}passing two dimensional array to function in c
#include <stdio.h>
#include <stdlib.h>
#define ROWS 3
#define COLS 2
void fun1(int **, int, int);
int main()
{
int array_2D[ROWS][COLS] = { {1, 2}, {3, 4}, {5, 6} };
int n = ROWS;
int m = COLS;
fun1(array_2D, n, m);
return EXIT_SUCCESS;
}
void fun1(int **a, int n, int m)
{
int i, j;
for (i = 0; i < n; i++) {
for (j = 0; j < m; j++) {
printf("array[%d][%d]=%d\n", i, j, a[i][j]);
}
}
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